What is the valve clearance for Subaru?

1 Answers
LaMalachi
07/29/25 2:02pm
Subaru Forester's valve clearance is approximately 0.2mm. Valve expansion: When the engine is running, the valves will expand due to temperature increase. If there is no gap or too small a gap between the valve and its transmission components in the cold state, the thermal expansion of the valve and its transmission components in the hot state will inevitably cause the valve to close improperly, resulting in air leakage during the compression and power strokes of the engine, thereby reducing power. In severe cases, it may even be difficult to start. Eliminating valve clearance: To eliminate this phenomenon, a certain gap is usually left between the valve and its transmission mechanism during cold assembly of the engine to compensate for the expansion of the valve after heating. This gap is called valve clearance.
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